Free Online Darcy-Weisbach Pipe Head Loss Calculator

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Darcy-Weisbach Pipe Head Loss at Given Diameter, Roughness, and Flow

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Inputs

Circulation, q		X
Diamètre de tube, d₀		X
Longeur de la tube		X
Darcy-Weisbach absolute roughness, e		X
Kinematic viscosity, v, in m²/sec (1E-6 for clean water at room temperature)		X
Coeficient total de perte dans les joints, k		X
Downstream EGL		X

Resultats:

Surface de circulation	Surface de circulation		X
Périmètre mouiller	Périmètre mouiller		X
Rayon hydraulique	Rayon hydraulique		X
Vitesse, v	Vitesse, v		X
Pression de tête de la vitesse, h_v	Pression de tête de la vitesse, h_v		X
Reynolds number, Re	Reynolds number, Re		X
Flow regime	Flow regime		X
Friction factor method	Friction factor method		X
Friction factor, f	Friction factor, f		X
Friction slope	Friction slope		X
Average tractive force, tau	Average tractive force, tau		X
Perte de frottement	Perte de frottement		X
Perte de embranchement	Perte de embranchement		X
Perte totale	Perte totale		X
Downstream HGL	Downstream HGL		X
Upstream EGL	Upstream EGL		X
Upstream HGL	Upstream HGL		X

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